Sounds like one of your better options is to pick up a 2nd hand Robnell here in Aus. That way you get a complianced big block Cobra.
Then with a little(well heap) of work you can get results like what Stefano obtained:
(Thanks to RichardFerguson for the side shot)
For more photos, see Stefano's gallery:
http://www.clubcobra.com/photopost/s...at=500&thumb=1